rlist (version 0.2.2)

list.find: Find a specific number of members in a list that meeting given condition

Description

Find a specific number of members in a list that meeting given condition

Usage

list.find(.data, cond, n = 1L)

Arguments

.data

list

cond

A logical lambda expression

n

The number of items to find

Examples

x <- list(p1 = list(type="A",score=list(c1=10,c2=8)),
       p2 = list(type="B",score=list(c1=9,c2=9)),
       p3 = list(type="B",score=list(c1=9,c2=7)))
list.find(x,type=="B",1)
list.find(x,min(score$c1,score$c2) >= 9)